Season 1
26 episodes · Apr 16, 2015
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S1E1Born in Red Black
Apr 16, 201515mSeeking vengeance after nearly being slain by ninjas who also killed his wife and child, Fujikido Kenji merges with the spirit of Naraku Ninja to become Ninja Slayer, the ninja that kills ninjas.
S1E2Machine of Vengeance
Apr 23, 201515mAfter a massive drug deal is interrupted, Arson, one of the Soukaiya's ninjas, faces Ninja Slayer in a battle to the death. Ninja Slayer has his hands full while taking on a techno-ninja named Cloud Buster.
S1E3Last Girl Standing, Part 1
Apr 30, 201515mYamoto Koki, a girl possessed by the Ninja Soul of Shi Ninja, uses her powers to save herself and her friend Asari from a gang attack. Shogo, a transfer student, is bailed out of jail and given an ultimatum.
S1E4Last Girl Standing, Part 2
May 7, 201515mAs Yamoto enjoys an evening out with her friends, Shogo shows up to warn her that the Soukai Syndicate is headhunting her. Sonic Boom makes Yamoto an offer she can't refuse.
S1E5Rage Against Tofu
May 14, 201515mAfter tofu manufacturing plant worker Shigaki loses his arm in an industrial accident, he joins other injured workers in taking revenge against the company. Ninja Slayer continues hunting for members of the Six Gates.
S1E6Surprised Dojo
May 21, 201515mUnder orders from Laomoto, Six Gates ninjas Earthquake and Hugeshuriken hunt for the Dragon Dojo, run by Dragon Gendoso, the last real ninja in Japan, so that they can burn it down.
S1E7Bane of Serpent / Zazen and Ninja
May 28, 201515mFreelance journalist Nancy Lee goes into the forlorn Furutama Projects to chase down a lead, and ends up finding more than she bargained for. Ninja Slayer's Zen meditation is interrupted by an unexpected surprise.
S1E8Apocalypse Inside Tainted Soil
Jun 4, 201515mWith information that clone cops are about to be introduced into the Neo-Saitama's police force, Nancy and Ninja Slayer break into a secret cloning mill to put a stop to it, but make an unexpected discovery inside.
S1E9One Minute Before the Tanuki, Part 1
Jun 11, 201515mFollowing a series of wild goose chases, Nancy tries to convince Ninja Slayer to help get her inside a Yoroshisan hot water bottle manufacturing plant, so she can hack their systems and uncover their secret files.
S1E10One Minute Before the Tanuki, Part 2
Jun 18, 201515mWith Sawatari and Notorious hot on their heels, Ninja Slayer and Nancy find a secret access point to the plant's mainframe. Nancy tries to gain access to the mainframe, but is met with an unforeseen obstacle.
S1E11Menace of Dark Ninja
Jun 25, 201515mWith the antidote in hand, Ninja Slayer makes his way to the cottage where Gendoso-sensei is resting with Yukano. However, their happy reunion is shattered when Darkninja launches an attack on them.
S1E12Day of the Lobster / Day of the Lobster 2
Jul 2, 201515mA yakuza captain interrogates a disloyal member inside a bathhouse, but is interrupted by a ninja dispatched from Yoroshisan. Ninja Slayer rescues the captive Nancy. An old foe embarks on a new quest.
- S1E13
Swan Song Sung by a Faded Crow, Part 1
Jul 9, 201515mSilver Karasu, a ninja who summarily executes those who commit "tsujigiri," the indiscriminate killing of passers-by, considers his own karmic balance when he is confronted by his own mortality.
S1E14Swan Song Sung by a Faded Crow, Part 2
Jul 16, 201515mWith his time running out, Kagi gives Yamoto a crash course in iaido training. The Soukaiya send a ninja and bounty hunter after Yamoto, giving her the opportunity to test her new skills.
S1E15Sushi Night at the Barricade
Jul 23, 201515mWhen Omura's urban expansion plans threaten to destroy Tottoriville, its residents start an uprising, and block the highway. Resistance agents, including a familiar face, fight back against the ninja Omura dispatches.
S1E16At the Treasonersvill
Jul 30, 201515mNinja Slayer joins Ikki Uchikowashi in order to watch over Yukano, and to see what kind of organization she has gotten into. The group stops a Soukaiya train, and must contend with a pachinko-ball-shooting ninja.
S1E17Treasure Every Meeting
Aug 6, 201515mOn the run from the Soukaiya, Yamoto stumbles into a church and collapses from exhaustion, only to be awakened by a ninja wearing a priest's cassock. Dr. Lee is desperate to recover a zombie ninja that has escaped his lab.
S1E18Ever Felt Cheated?
Aug 13, 201515mNaraki, a student at Neo-Saitama 1st University, meets a woman named Maname at a coffee shop to join in a march against poverty. However, Maname is not all that she appears, and the march takes an unexpected turn.
S1E19Stranger Stranger Than Fiction, Part 1
Aug 20, 201515mJust as Nancy and Ninja Slayer put the finishing touches on a plan to finally eliminate Laomoto, Nancy is compromised by an unforeseen band of ninjas. Before his big mission, Fujikido deals with some domestic violence next door.
S1E20Stranger Stranger Than Fiction, Part 2
Aug 27, 201515mIn events from the previous day, Trufflehog sniffs out Ninja Slayer's hideout, locating his computer with the plans to kill Laomoto. In kotodama space, an entity named Baba Yaga approaches Nancy.
S1E21Neo-Saitama in Flames, Part 1: Like a Bloodarrow Straight
Sep 3, 201515mFujikido gets some much-needed rest at home, with Agata caring for him. Laomoto holds a press conference, and makes a shocking declaration. Ninja Slayer runs into an old rival while storming Tokorozawa Pillar.
S1E22Neo-Saitama in Flames, Part 2: Darkninja Returns
Sep 10, 201515mNinja Slayer and Darkninja fight one-on-one. After Laomoto is called away to appear in a live broadcast, two other ninjas appear and encourage Darkninja to take on a different task in Kyoto, saying it is his destiny.
S1E23Neo-Saitama in Flames, Part 3: And You Will Know Him By the Trail of Ninja
Sep 17, 201515mWith assistance from Nancy, Ninja Slayer challenges the Six Gates ninjas on his way to Laomoto's castle keep. A strange phenomenon tortures Ninja Slayer's mind with images of the dead, including his wife and son.
S1E24Neo-Saitama in Flames, Part 4: Dark Dusk, Darker Dawn, Part 1
Sep 24, 201515mLaomoto offers Hellkite a last chance to redeem himself. Ninja Slayer at last reaches the castle keep housing Laomoto, but must defeat the last of his bodyguards before he can finally confront him.
S1E25The Best of Ninja Slayer from Animation
Oct 1, 201515mSelect segments from the Ninja Slayer saga that could not be included in the regular series. Includes scenes from "Fuji Sun Rising," "Atrocity in Neo-Saitama City," "The Aftermath," and more.
S1E26Neo-Saitama in Flames, Part 5: Dark Dusk, Darker Dawn, Part 2
Oct 8, 201515mAs Naraku Ninja and Laomoto continue their rooftop duel, Fujikido must come to terms with the symbiotic relationship that he and Naraku have. Laomoto strikes back with the many ninja souls that he possesses.